Window fasteners



FIG. 1 is a top left isometric view of a window fastener;

FIG. 2 is a top right isometric view of a window fastener;

FIG. 3 is a top left isometric rear view of a window fastener;

FIG. 4 is a top right isometric rear view of a window fastener;

FIG. 5 is a left side view of a window fastener;

FIG. 6 is a front view of a window fastener;

FIG. 7 is a right side view of a window fastener;

FIG. 8 is a back view of a window fastener;

FIG. 9 is a bottom view of a window fastener;

FIG. 10 is a bottom left isometric view of a window fastener;

FIG. 11 is a bottom right isometric view of a window fastener;

FIG. 12 is a bottom left isometric rear view of a window fastener; and,

FIG. 13 is a bottom right isometric rear view of a window fastener. 

CLAIM The ornamental design for window fasteners, as shown and described. 